Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 3170 is divided among X, Y and Z such that if Rs 13, Rs 12 and Rs 18 will be diminished from the shares of X, Y and Z respectively, then their shares will be in the ratio 20 : 18 : 21. What is the initial share (in Rs) of Z?

Find the LCM of the following fractions:

2/3,  8/9,  16/27,  32/81

Find the least common multiple of 15 and 12?

In the following question, select the odd letter/letters from the given alternatives.

Select the number pair that does not belong in the following group.

(1,1), (4,64), (8,512), (9,719)

x, y and z are three numbers such that x is 30% of z and y is 40% of z. If x is p% of y, then what is the value of p?

Divide Rs. 210 in the ratio 2:3:4:5. Th respective amounts are:

Which of the following number is largest among all?

0.7,0.77,0.077, 0.070707